package cm.unit2.theme3;

import java.util.Stack;

public class TwoStackAsQueue {
    Stack<Integer> stack1 = new Stack<Integer>();
    Stack<Integer> stack2 = new Stack<Integer>();
    
    public void push(int node) {
        stack1.push(node);
    }
    
    public int pop() {
        if(stack2.empty()) {
        	while (stack1.size()>1) {
				stack2.push(stack1.pop());
			}
        	return stack1.pop();
        }
        return stack2.pop();
    }
    
    public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

}
